/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.cassandra.stargate.transport.internal.messages;

import io.netty.buffer.ByteBuf;
import org.apache.cassandra.stargate.transport.ProtocolVersion;
import org.apache.cassandra.stargate.transport.internal.CBUtil;
import org.apache.cassandra.stargate.transport.internal.Message;

/** Message to indicate that the server is ready to receive requests. */
public class AuthenticateMessage extends Message.Response {
  public static final Message.Codec<AuthenticateMessage> codec =
      new Message.Codec<AuthenticateMessage>() {
        @Override
        public AuthenticateMessage decode(ByteBuf body, ProtocolVersion version) {
          String authenticator = CBUtil.readString(body);
          return new AuthenticateMessage(authenticator);
        }

        @Override
        public void encode(AuthenticateMessage msg, ByteBuf dest, ProtocolVersion version) {
          // Safe to skip. `msg.authenticator` is a FQCN string. All characters are ASCII encoded.
          CBUtil.writeAsciiString(msg.authenticator, dest);
        }

        @Override
        public int encodedSize(AuthenticateMessage msg, ProtocolVersion version) {
          return CBUtil.sizeOfAsciiString(msg.authenticator);
        }
      };

  public final String authenticator;

  public AuthenticateMessage(String authenticator) {
    super(Message.Type.AUTHENTICATE);
    this.authenticator = authenticator;
  }

  @Override
  public String toString() {
    return "AUTHENTICATE " + authenticator;
  }
}
